/*
 * Created on 16-Sep-2005
 * Created by Paul Gardner
 * Copyright (C) Azureus Software, Inc, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

package comm.upnp;

import comm.upnp.UPnPAction;
import comm.upnp.UPnPActionArgument;
import comm.upnp.UPnPActionInvocation;
import comm.upnp.UPnPException;
import comm.upnp.UPnPService;
import comm.upnp.UPnPOfflineDownloader;

public class 
UPnPSSOfflineDownloaderImpl 
	implements UPnPOfflineDownloader
{
	private UPnPServiceImpl		service;
	
	protected
	UPnPSSOfflineDownloaderImpl(
		UPnPServiceImpl		_service )
	{
		service = _service;
	}
	
	public UPnPService
	getGenericService()
	{
		return( service );
	}
	
	public long
	getFreeSpace(
		String		client_id )
	
		throws UPnPException
	{
		UPnPAction act = service.getAction( "GetFreeSpace" );
		
		if ( act == null ){
						
			throw( new UPnPException( "GetFreeSpace not supported" ));
			
		}else{
					
			UPnPActionInvocation inv = act.getInvocation();
				
			inv.addArgument( "NewClientID", client_id );
			
			UPnPActionArgument[]	args = inv.invoke();
						
			for (int i=0;i<args.length;i++){
				
				UPnPActionArgument	arg = args[i];
			
				String	name = arg.getName();
				
				if ( name.equalsIgnoreCase("NewFreeSpace")){
					
					return( Long.parseLong( arg.getValue()));
					
				}
			}
			
			throw( new UPnPException( "result not found" ));
		}
	}
	
	public void
	activate(
		String		client_id )
	
		throws UPnPException
	{
		UPnPAction act = service.getAction( "Activate" );
		
		if ( act == null ){
						
			throw( new UPnPException( "Activate not supported" ));
			
		}else{
					
			UPnPActionInvocation inv = act.getInvocation();
				
			inv.addArgument( "NewClientID", client_id );
			
			UPnPActionArgument[]	args = inv.invoke();
						
			for (int i=0;i<args.length;i++){
				
				UPnPActionArgument	arg = args[i];
			
				String	name = arg.getName();
				
				if ( name.equalsIgnoreCase("NewStatus")){
					
					return;
					
				}
			}
			
			throw( new UPnPException( "status not found" ));
		}
	}
	
	public String[] 
	setDownloads(
		String client_id, 
		String hash_list )
			
		throws UPnPException 
	{
		UPnPAction act = service.getAction( "SetDownloads" );
		
		if ( act == null ){
						
			throw( new UPnPException( "SetDownloads not supported" ));
			
		}else{
					
			UPnPActionInvocation inv = act.getInvocation();
						
			inv.addArgument( "NewClientID", client_id );
			inv.addArgument( "NewTorrentHashList", hash_list );
			
			UPnPActionArgument[]	args = inv.invoke();
			
			String	result	= null;
			String	status 	= null;
			
			for (int i=0;i<args.length;i++){
				
				UPnPActionArgument	arg = args[i];
			
				String	name = arg.getName();
				
				if ( name.equalsIgnoreCase("NewSetDownloadsResultList")){
					
					result = arg.getValue();
					
				}else if ( name.equalsIgnoreCase("NewStatus")){
					
					status = arg.getValue();
				}
			}
			
			if ( result != null && status != null ){
				
				return( new String[]{ result, status });
			}
			
			throw( new UPnPException( "result or status not found" ));
		}
	}
	
	public String 
	addDownload(
		String 	client_id, 
		String 	hash,
		String	torrent )
			
		throws UPnPException 
	{
		UPnPAction act = service.getAction( "AddDownload" );
		
		if ( act == null ){
						
			throw( new UPnPException( "AddDownload not supported" ));
			
		}else{
					
			UPnPActionInvocation inv = act.getInvocation();
						
			inv.addArgument( "NewClientID", client_id );
			inv.addArgument( "NewTorrentHash", hash );
			inv.addArgument( "NewTorrentData", torrent );
			
			UPnPActionArgument[]	args = inv.invoke();
						
			for (int i=0;i<args.length;i++){
				
				UPnPActionArgument	arg = args[i];
			
				String	name = arg.getName();
				
				if ( name.equalsIgnoreCase("NewStatus")){
					
					return( arg.getValue());
				}
			}
			
			throw( new UPnPException( "result not found" ));
		}
	}
	
	public String 
	addDownloadChunked(
		String 	client_id, 
		String 	hash,
		String	chunk,
		int		offset,
		int		total_size )
			
		throws UPnPException 
	{
		UPnPAction act = service.getAction( "AddDownloadChunked" );
		
		if ( act == null ){
						
			throw( new UPnPException( "AddDownloadChunked not supported" ));
			
		}else{
					
			UPnPActionInvocation inv = act.getInvocation();
						
			inv.addArgument( "NewClientID", client_id );
			inv.addArgument( "NewTorrentHash", hash );
			inv.addArgument( "NewTorrentData", chunk );
			inv.addArgument( "NewChunkOffset", String.valueOf( offset ));
			inv.addArgument( "NewTotalLength", String.valueOf( total_size ));
			
			UPnPActionArgument[]	args = inv.invoke();
						
			for (int i=0;i<args.length;i++){
				
				UPnPActionArgument	arg = args[i];
			
				String	name = arg.getName();
				
				if ( name.equalsIgnoreCase("NewStatus")){
					
					return( arg.getValue());
				}
			}
			
			throw( new UPnPException( "result not found" ));
		}
	}
	
	public String[] 
  	updateDownload(
  		String 	client_id, 
  		String 	hash,
  		String	required_map )
  			
  		throws UPnPException 
  	{
  		UPnPAction act = service.getAction( "UpdateDownload" );
  		
  		if ( act == null ){
  						
  			throw( new UPnPException( "UpdateDownload not supported" ));
  			
  		}else{
  					
  			UPnPActionInvocation inv = act.getInvocation();
  						
  			inv.addArgument( "NewClientID", client_id );
 			inv.addArgument( "NewTorrentHash", hash );
 			inv.addArgument( "NewPieceRequiredMap", required_map );
  			
  			UPnPActionArgument[]	args = inv.invoke();
  			
  			String	have	= null;
  			String	status 	= null;
  			
  			for (int i=0;i<args.length;i++){
  				
  				UPnPActionArgument	arg = args[i];
  			
  				String	name = arg.getName();
  				
  				if ( name.equalsIgnoreCase("NewPieceHaveMap")){
  					
  					have = arg.getValue();
  					
  				}else if ( name.equalsIgnoreCase("NewStatus")){
  					
  					status = arg.getValue();
  				}
  			}
  			
  			if ( have != null && status != null ){
  				
  				return( new String[]{ have, status });
  			}
  			
  			throw( new UPnPException( "have or status not found" ));
  		}
  	}
	
	public String
	removeDownload(
		String 	client_id, 
		String 	hash )		
	
		throws UPnPException 
	{
		UPnPAction act = service.getAction( "RemoveDownload" );
		
		if ( act == null ){
						
			throw( new UPnPException( "RemoveDownload not supported" ));
			
		}else{
					
			UPnPActionInvocation inv = act.getInvocation();
						
			inv.addArgument( "NewClientID", client_id );
			inv.addArgument( "NewTorrentHash", hash );
		
			UPnPActionArgument[]	args = inv.invoke();
			
			String	status 	= null;
			
			for (int i=0;i<args.length;i++){
				
				UPnPActionArgument	arg = args[i];
			
				String	name = arg.getName();
				
				if ( name.equalsIgnoreCase("NewStatus")){
					
					status = arg.getValue();
				}
			}
			
			if ( status != null ){
				
				return( status );
			}
			
			throw( new UPnPException( "status not found" ));
		}
	}
	
	public String[]
	startDownload(
		String 	client_id, 
		String 	hash )		
	
		throws UPnPException 
	{
		UPnPAction act = service.getAction( "StartDownload" );
		
		if ( act == null ){
						
			throw( new UPnPException( "StartDownload not supported" ));
			
		}else{
					
			UPnPActionInvocation inv = act.getInvocation();
						
			inv.addArgument( "NewClientID", client_id );
			inv.addArgument( "NewTorrentHash", hash );
		
			UPnPActionArgument[]	args = inv.invoke();
			
			String	status 		= null;
			String	data_port	= null;
			
			for (int i=0;i<args.length;i++){
				
				UPnPActionArgument	arg = args[i];
			
				String	name = arg.getName();
				
				if ( name.equalsIgnoreCase("NewStatus")){
					
					status = arg.getValue();
					
				}else if ( name.equalsIgnoreCase("NewDataPort")){
					
					data_port = arg.getValue();
				}
			}
			
			if ( status != null && data_port != null ){
				
				return( new String[]{ data_port, status });
			}
			
			throw( new UPnPException( "status or data port not found" ));
		}
	}
}
